CVE-2009-0778

NameCVE-2009-0778
DescriptionThe icmp_send function in net/ipv4/icmp.c in the Linux kernel before 2.6.25, when configured as a router with a REJECT route, does not properly manage the Protocol Independent Destination Cache (aka DST) in some situations involving transmission of an ICMP Host Unreachable message, which allows remote attackers to cause a denial of service (connectivity outage) by sending a large series of packets to many destination IP addresses within this REJECT route, related to an "rt_cache leak."
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linux-2.6source(unstable)(not affected)
linux-2.6.24source(unstable)(not affected)

Notes

- linux-2.6 <not-affected> (Issue was introduced after 2.6.24 release and fixed before release of 2.6.25)
- linux-2.6.24 <not-affected> (Issue was introduced after 2.6.24 release and fixed before release of 2.6.25)

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